DISRAELI DOCUMENTS
Publisher: New Cycling
Country: Japan
Date: April 1968
Derailleur brands: SunTour
Derailleurs: SunTour V (1st style)
And here we have the first appearance in an advert of the epoch making SunTour V. Suntour appear to be claiming a weight of 240g for this aluminium technological marvel - but mine weighs only 218g. Perhaps the difference is the hanger plate.
New Cycling April 1968 - SunTour advert